Sex offender registries in the United States

This article is part of a series on the
Sex offender registries in the United States
Legislation Federal Jacob Wetterling Crimes Against Children and Sexually Violent Offender Registration Act Megan's Law Adam Walsh Child Protection and Safety Act International Megan's Law to Prevent Demand for Child Sex Trafficking State Jessica's Law California Proposition 83 (2006) Other PROTECT Act of 2003 Sexually violent predator laws
Constitutionality Constitutionality of sex offender registries in the United States Supreme Court decisions Smith v. Doe Connecticut Department of Public Safety v. Doe
Effectiveness Effectiveness of sex offender registration policies in the United States
Social issues Homelessness Julia Tuttle Causeway sex offender colony Miracle Village Pervert Park Controversial designations as offender Genarlow Wilson Janet Allison Kevin Gillson
Reform activism Alliance for Constitutional Sex Offense Laws National Association for Rational Sexual Offense Laws Women Against Registry - W.A.R. Movement to reform sex offender laws in the United States
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In the United States, sex offender registries existed at both the federal and state levels. The federal registry is known as the National Sex Offender Public Website (NSOPW) and integrates data in all state, territorial, and tribal registries provided by offenders required to register.^[1] Registries contain information about persons convicted of sexual offenses for law enforcement and public notification purposes. All 50 states and the District of Columbia maintain sex offender registries that are open to the public via websites; most information on offenders is visible to the public. Public disclosure of offender information varies between the states depending on offenders' designated tier, which may also vary from state to state, or risk assessment result. According to NCMEC, as of 2016 there were 859,500 registered sex offenders in United States.^[2]

The majority of states and the federal government apply systems based on conviction offenses only, where registration requirement is triggered as a consequence of finding of guilt, or pleading guilty, to a sex offense regardless of the actual gravity of the crime. The trial judge typically can not exercise judicial discretion concerning registration.^{[3][neutrality is disputed]} Depending on jurisdiction, offenses requiring registration range in their severity from public urination or adolescent sexual experimentation with peers, to violent sex offenses. In some states offenses such as unlawful imprisonment may require sex offender registration.^[4] According to Human Rights Watch, children as young as 9 have been placed on the registry;^[5][6] juvenile offenders account for 25 percent of registrants.^[7] In some states, the length of the registration period is determined by the offense or assessed risk level; in others all registration is for life.^[8] Some states allow removal from the registry under certain specific, limited circumstances.^[8] Information of juvenile offenders is withheld for law enforcement but may be made public after their 18th birthday.^[9]

Sex Offender Registration and Notification (SORN) has been studied for its impact on the rates of sexual offense recidivism, with the majority of studies demonstrating no impact.^[10] The Supreme Court of the United States has upheld sex offender registration laws both times such laws have been examined by them. Several challenges on parts of state level legislation have been honored by the courts. Legal scholars have challenged the rationale behind the Supreme Court rulings. Perceived problems in legislation has prompted organizations such as NARSOL, ACSOL, and ACLU, among others, to promote reform.